Overview
The LMZM23600, produced by Texas Instruments, is a highly integrated 36-V, 0.5-A step-down DC/DC power module designed specifically for space-constrained industrial applications. This module features a wide operating input voltage range of 4 V to 36 V and offers adjustable and fixed output voltage options. The adjustable output voltage ranges from 1.2 V to 15 V, while the fixed output options are available at 3.3 V and 5 V. The device is optimized for performance-driven and low EMI applications, making it ideal for various industrial and space-constrained environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 4 V to 36 V | V |
| Output Voltage Options | Adjustable (1.2 V to 15 V), Fixed (3.3 V, 5 V) | V |
| Output Current | 0.5 A | A |
| Switching Frequency (Adjustable Output) | 1000 kHz | kHz |
| Switching Frequency (Fixed Output) | 750 kHz | kHz |
| No-Load Supply Current | 28 µA | µA |
| Shutdown Current | 2 µA | µA |
| Package Size | 3.8 mm × 3 mm × 1.6 mm | mm |
| Operating Junction Temperature | -40°C to 125°C | °C |
| Thermal Shutdown Threshold | 155°C | °C |
Key Features
- Wide operating input voltage range of 4 V to 36 V
- Adjustable output voltage from 1.2 V to 15 V and fixed output options at 3.3 V and 5 V
- High efficiency with seamless transition between PWM and PFM modes
- Low quiescent current: 28 µA at no load and 2 µA in shutdown
- Power-good flag for system status indication
- External frequency synchronization and MODE selection pin for forced PWM or Auto PFM mode
- Built-in control loop compensation, soft start, current limit, and UVLO
- Miniature 3.8-mm × 3-mm × 1.6-mm package with single-sided layout solution
- Only input and output capacitors needed for 5-V and 3.3-V output designs
Applications
- Sensor transmitters
- Test and measurement equipment
- Grid infrastructure
- Space-constrained applications
Q & A
- What is the input voltage range of the LMZM23600?
The input voltage range of the LMZM23600 is from 4 V to 36 V.
- What are the available output voltage options for the LMZM23600?
The LMZM23600 offers adjustable output voltage from 1.2 V to 15 V and fixed output options at 3.3 V and 5 V.
- What is the maximum output current of the LMZM23600?
The maximum output current of the LMZM23600 is 0.5 A.
- What is the typical no-load supply current of the LMZM23600?
The typical no-load supply current of the LMZM23600 is 28 µA.
- Does the LMZM23600 support external frequency synchronization?
- What is the thermal shutdown threshold of the LMZM23600?
The thermal shutdown threshold of the LMZM23600 is 155°C.
- How does the LMZM23600 handle light-load conditions?
The LMZM23600 transitions to light-load mode using diode emulation to reduce RMS inductor current and switching frequency when the MODE/SYNC terminal is pulled low.
- What is the package size of the LMZM23600?
The package size of the LMZM23600 is 3.8 mm × 3 mm × 1.6 mm.
- Does the LMZM23600 require additional external components for a basic design?
No, the LMZM23600 requires only input and output capacitors for a basic 5-V or 3.3-V output design.
- What are some typical applications of the LMZM23600?
The LMZM23600 is typically used in sensor transmitters, test and measurement equipment, grid infrastructure, and space-constrained applications.
